Figure 2.

Eye movements associated with novel and repeated scenes for young adults, older adults, and memory-impaired patients in Experiment 1. A, Left, Young adults sampled fewer regions of a scene when the scene was repeated (R) than when it was novel (N). Center, Young adults exhibited this effect only when they were confident in their old–new judgment (when they were probably sure or definitely sure). Right, Young adults also exhibited this effect only when their old–new judgment was correct and not when it was incorrect. B, Left, Older adults also sampled fewer regions of a scene when the scene was repeated than when it was novel. Center, Older adults exhibited this effect when they were highly confident of their old–new judgment (confidence ratings = definitely sure). Right, Like young adults, older adults exhibited this effect only when their old–new judgment (when they were definitely sure). C, Left, Memory-impaired patients viewed repeated scenes no differently than novel scenes. Center, For patients, viewing was not related to the confidence rating given for the old–new judgments. Right, For patients, viewing was also unrelated to whether the old–new judgment was correct or incorrect. Error bars indicate SE of the difference between viewing novel and repeated scenes. Asterisks indicate a significant difference between the viewing of novel and repeated scenes (p < 0.05).